clk: Fix incorrect return type in clk.c
Return type of function clk_propagate_rate_change is a pointer. But 0 was being returned. Change it to NULL. Silences the following warning: drivers/clk/clk.c:977:24: warning: Using plain integer as NULL pointer Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Reviewed-by: Pankaj Jangra <jangra.pankaj9@gmail.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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@ -1026,7 +1026,7 @@ static struct clk *clk_propagate_rate_change(struct clk *clk, unsigned long even
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int ret = NOTIFY_DONE;
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if (clk->rate == clk->new_rate)
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return 0;
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return NULL;
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if (clk->notifier_count) {
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ret = __clk_notify(clk, event, clk->rate, clk->new_rate);
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